actinotrichia
plural of actinotrichium

Dictionary of ichthyology. 2009.

Look at other dictionaries:

  • actinotrichia — (= actinotrichium (singular) ) …   Dictionary of molecular biology

  • camptotrichium — (plural camptotrichia)) rays which support the fin membranes in Dipnoi and Crossopterygii. Actinotrichia are not found distal to the camptotrichia in the fin membrane. This suggests that they are homologous to the ceratotrichia of Elasmobranchii… …   Dictionary of ichthyology

  • lepidotrichium — (plural lepidotrichia)) a definitive fin ray (including spines), usually dermal bones found in Teleostomi. Each lepidotrich is formed of two hemitrichs closely joined along their length except basally where they diverge to articulate with the… …   Dictionary of ichthyology

  • Lepidotrichia — are bony, bilaterally paired, segmented fin rays found in bony fishes. They develop around actinotrichia as part of the dermal exoskeleton. Lepidotrichia may have some cartilage or bone in them as well. They are actually segmented and appear as a …   Wikipedia

  • Hallux — Dedos gordos en la escultura …   Wikipedia Español

  • actinotrich — a slender, horny, flexible, unsegmented fibril which strengthens the embryonic fin fold and which may persist in the outer edge of the adult fin membrane or in the adipose fin. It develops intercellularly rather than cellularly. Persists in fins… …   Dictionary of ichthyology

  • actinotrichium — (plural actinotrichia) actinotrich …   Dictionary of ichthyology

  • hemitrichium — (plural hemitrichia)) one of the pair of slender rod like structures that compose a lepidotrich or soft fin ray. The hemitrichia are segmented and often branched. The segments are movably held together by flexible collagenous fibres and joined at …   Dictionary of ichthyology

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”